Finding the Third Proportional to 1,243,188 and 1,919,700

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243,188 : 1,919,700 = 1,919,700 : x
2. Step 2: Convert to fraction form
   1,243,188/1,919,700 = 1,919,700/x
3. Step 3: Cross multiply
   1,243,188x = 1,919,700 × 1,919,700
4. Step 4: Simplify right side
   1,243,188x = 3,685,248,090,000
5. Step 5: Solve for x
   x = 3,685,248,090,000/1,243,188
6. Step 6: Final answer
   x = 2,964,353.01